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Protamine Crystallised Insulin Aspart: Brands, Price & Uses in Bangladesh
Protamine Crystallised Insulin Aspart is a premixed (biphasic) insulin formulation combining a protamine-crystallized and more.
About Protamine Crystallised Insulin Aspart
Indications of Protamine Crystallised Insulin Aspart
Protamine Crystallised Insulin Aspart is a premixed (biphasic) insulin formulation combining a protamine-crystallized, intermediate-acting insulin aspart component with a rapid-acting soluble insulin aspart component. It is FDA-approved and widely used for the following indication:
- Glycemic control in diabetes mellitus: Indicated to improve glycemic control in adults with type 1 or type 2 diabetes mellitus who require insulin therapy.
Limitations of use: Protamine Crystallised Insulin Aspart is not recommended for treatment of diabetic ketoacidosis, and because the two components are fixed in a set ratio, the rapid-acting and intermediate-acting portions cannot be dosed independently of one another.
Dosage & Administration of Protamine Crystallised Insulin Aspart
General Dosing Principles
The dose of Protamine Crystallised Insulin Aspart must be individualized based on the patient's metabolic needs, blood glucose monitoring results, and glycemic goals, and adjusted for changes in diet, physical activity, renal or hepatic function, or intercurrent illness.
Adult Dosing
| Diabetes Type | Typical Regimen |
|---|---|
| Type 1 diabetes | Usually given twice daily, injected within 15 minutes before a meal, individualized to the patient's needs. |
| Type 2 diabetes | Usually given once or twice daily before meals; may be injected up to 15 minutes before or shortly after starting a meal. |
Pediatric Dosing
Safety and effectiveness of Protamine Crystallised Insulin Aspart have not been established in pediatric patients; use only under specialist guidance if considered necessary.
Renal/Hepatic Impairment
Formal pharmacokinetic studies in renal or hepatic impairment have not been conducted for this specific formulation, but insulin requirements may be reduced and the risk of hypoglycemia is increased; more frequent blood glucose monitoring and dose adjustment are recommended (see Use in Special Populations).
Preparation and Administration
- Before use, the suspension must be resuspended by gently rolling the vial between the palms or moving the pre-filled pen up and down at least 10 times until uniformly white and cloudy; do not use if it remains clear or contains clumps/particles.
- Administer by subcutaneous injection only into the abdomen, thigh, buttock, or upper arm; do NOT administer intravenously or by insulin infusion pump.
- Rotate injection sites within the same body region to reduce the risk of lipodystrophy.
Side Effects of Protamine Crystallised Insulin Aspart
The most common and most serious adverse effect of Protamine Crystallised Insulin Aspart is hypoglycemia, which can range from mild to severe and, if untreated, may result in seizure, unconsciousness, or death.
Other reported side effects
- Injection site reactions (redness, swelling, itching)
- Lipodystrophy (thickening or pitting of fat) at injection sites with repeated use in the same spot
- Weight gain
- Peripheral edema (fluid retention), especially when starting insulin or intensifying therapy
- Headache
- Upper respiratory tract infection, pharyngitis, rhinitis
- Diarrhea and dyspepsia
- Allergic reactions ranging from mild local rash to rare severe generalized hypersensitivity/anaphylaxis
Contraindications of Protamine Crystallised Insulin Aspart
Protamine Crystallised Insulin Aspart is contraindicated in:
- Patients experiencing an episode of hypoglycemia.
- Patients with known hypersensitivity to insulin aspart or to any excipient in the formulation.
Frequently Asked Questions about Protamine Crystallised Insulin Aspart
What is Protamine Crystallised Insulin Aspart used for?
Protamine Crystallised Insulin Aspart is a premixed insulin used to improve blood glucose control in adults with type 1 or type 2 diabetes mellitus who need insulin therapy.
How and when should I inject Protamine Crystallised Insulin Aspart?
It is given as a subcutaneous injection into the abdomen, thigh, buttock, or upper arm, usually once or twice daily shortly before a meal, after resuspending it thoroughly until uniformly cloudy. Never inject it into a vein or use it in an insulin pump.
What is the most important side effect to watch for?
The most common and serious side effect is hypoglycemia (low blood sugar), which can cause shakiness, sweating, confusion, seizures, or unconsciousness if severe. Always carry a fast-acting sugar source and know the early warning signs.
Can I use Protamine Crystallised Insulin Aspart during pregnancy or while breastfeeding?
It may be used in pregnancy and breastfeeding only under close medical supervision, as insulin needs often change during these periods; discuss dose adjustments with your physician rather than changing the dose yourself.
Who should not use Protamine Crystallised Insulin Aspart?
It should not be used by anyone currently experiencing a hypoglycemic episode or anyone with a known hypersensitivity/allergy to insulin aspart or any ingredient in the product.
What should I do if I think I have taken too much Protamine Crystallised Insulin Aspart?
Overdose can cause dangerous hypoglycemia. For mild symptoms, take fast-acting glucose immediately; for severe symptoms such as confusion, seizure, or loss of consciousness, seek emergency medical help right away or have someone take you to the nearest hospital.
Disclaimer
The information provided is accurate to the best of our knowledge, but it does not replace professional medical advice. We cannot guarantee its completeness or accuracy, and the absence of specific information about a drug should not be taken as an endorsement. We are not responsible for any consequences arising from this information, so please consult a healthcare professional for any concerns or questions.